Remove foo != NULL checks in xfa/src/fxbarcode.

xfa/src/fxbarcode/pdf417/BC_PDF417BoundingBox.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 // Original code is licensed as follows:
 /*
  * Copyright 2013 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 14 matching lines @@
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
 #include "xfa/src/fxbarcode/pdf417/BC_PDF417BoundingBox.h"
 CBC_BoundingBox::CBC_BoundingBox(CBC_CommonBitMatrix* image,
                                  CBC_ResultPoint* topLeft,
                                  CBC_ResultPoint* bottomLeft,
                                  CBC_ResultPoint* topRight,
                                  CBC_ResultPoint* bottomRight,
                                  int32_t& e) {
   if ((topLeft == NULL && topRight == NULL) ||
       (bottomLeft == NULL && bottomRight == NULL) ||
-      (topLeft != NULL && bottomLeft == NULL) ||
-      (topRight != NULL && bottomRight == NULL)) {
+      (topLeft && bottomLeft == NULL) || (topRight && bottomRight == NULL)) {
     e = BCExceptionNotFoundInstance;
   }
   init(image, topLeft, bottomLeft, topRight, bottomRight);
 }
 CBC_BoundingBox::CBC_BoundingBox(CBC_BoundingBox* boundingBox) {
   init(boundingBox->m_image, boundingBox->m_topLeft, boundingBox->m_bottomLeft,
        boundingBox->m_topRight, boundingBox->m_bottomRight);
 }
 CBC_BoundingBox::~CBC_BoundingBox() {
   if (m_topLeft) {
@@ skipping 151 matching lines @@
   m_maxX = (int32_t)(m_topRight->GetX() > m_bottomRight->GetX()
                          ? m_topRight->GetX()
                          : m_bottomRight->GetX());
   m_minY =
       (int32_t)(m_topLeft->GetY() < m_topRight->GetY() ? m_topLeft->GetY()
                                                        : m_topRight->GetY());
   m_maxY = (int32_t)(m_bottomLeft->GetY() > m_bottomRight->GetY()
                          ? m_bottomLeft->GetY()
                          : m_bottomRight->GetY());
 }